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Finding the Third Proportional to 358,573,221 and 527,606,217

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Solution

The third proportional to 358,573,221 and 527,606,217 is: 776,322,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,573,221 : 527,606,217 = 527,606,217 : x
  2. Step 2: Convert to fraction form
    358,573,221/527,606,217 = 527,606,217/x
  3. Step 3: Cross multiply
    358,573,221x = 527,606,217 × 527,606,217
  4. Step 4: Simplify right side
    358,573,221x = 278,368,320,217,051,104
  5. Step 5: Solve for x
    x = 278,368,320,217,051,104/358,573,221
  6. Step 6: Final answer
    x = 776,322,111.95

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.